Answer this question truthfully
### Question: What causes Acne vulgaris?
### Response: The cause of acne is unknown. Doctors think certain factors might cause it: The hormone increase in teenage years (this can cause the oil glands to plug up more often)
Hormone changes during pregnancy Starting or stopping birth control pills Heredity (if your parents had acne, you might get it, too) Some types of medicine Greasy makeup
There are many myths about what causes acne. Dirty skin and stress do not cause acne. Also, chocolate and greasy foods do not cause acne in most people.